Latest news with #marineBiologists
Sustainability Times
07-07-2025
- Science
- Sustainability Times
'They're Hiding Everywhere Down There': Scientists Say 60% of Ocean Floor May Be Home to Rare Supergiant Crustaceans
IN A NUTSHELL 🐙 Researchers have discovered that the Alicella gigantea , a supergiant crustacean, may inhabit 59 percent of the world's ocean floor. , a supergiant crustacean, may inhabit 59 percent of the world's ocean floor. 🔍 Historically considered rare due to infrequent sightings, this species' scarcity is now attributed to observation bias and limited deep-sea exploration. and limited deep-sea exploration. 🌊 The harsh conditions of the ocean's abyssal and hadal zones have hindered human exploration, leaving much of these regions unexplored. of the ocean's abyssal and hadal zones have hindered human exploration, leaving much of these regions unexplored. 🧬 Genetic studies reveal genetic similarities among distant populations of A. gigantea, suggesting a widespread distribution across different oceanic regions. Far beneath the ocean's surface lies a world shrouded in mystery and darkness, where few creatures dare to dwell. Among these deep-sea inhabitants is the Alicella gigantea, the largest known species of amphipod. Unlike its smaller relatives, A. gigantea can grow to an astonishing size of 13.4 inches. For years, this species was considered a rarity, but recent discoveries suggest it might actually be widespread, occupying a vast portion of the ocean floor. This revelation highlights our limited understanding of the deep ocean and its enigmatic residents. The Giant of the Deep: Alicella Gigantea The Alicella gigantea is a remarkable crustacean that defies the norms of its amphipod family. While most amphipods are small and shrimp-like, A. gigantea stands out as a giant, reaching sizes up to 13.4 inches. Its oversized body and unique adaptations allow it to thrive in the harsh conditions of the ocean's abyssal and hadal zones. These regions, located below depths of 9,843 feet, are characterized by extreme cold, crushing pressures, and complete darkness. Despite these inhospitable conditions, A. gigantea has carved out a niche for itself, showcasing the resilience and adaptability of life in the deep sea. Historically, sightings of A. gigantea have been rare, leading scientists to believe the species was scarce. However, recent research challenges this notion, suggesting its perceived rarity is more a result of our limited exploration of its deep-sea habitat. As technology advances, allowing for deeper dives and better sampling methods, we are beginning to uncover the true extent of A. gigantea's distribution, which may span 59 percent of the world's oceans. 'Earth Is Being Poisoned From Below': Microplastics Found in Earthworms Threaten Crops, Food Chains, and Human Survival Challenges of Deep-Sea Exploration Exploring the deep sea presents numerous challenges, not the least of which are the environmental conditions. At depths beyond 3,000 meters (9,843 feet), sunlight ceases to penetrate, leaving the waters cold and dark. The immense pressure, equivalent to bearing the weight of a crushing ocean above, makes these depths inhospitable to human explorers. These factors have limited our ability to study deep-sea ecosystems and the creatures that inhabit them. The search for A. gigantea has often been hampered by these challenges. Its remote habitat requires specialized equipment capable of withstanding extreme conditions. Despite these obstacles, researchers like marine molecular biologist Paige Maroni have persevered, compiling a comprehensive survey of encounters with the species. By analyzing 195 records from 75 different sites across the Atlantic, Pacific, and Indian oceans, scientists are piecing together a more complete picture of A. gigantea's distribution and ecology. 'Lost for 62 Years Then Found Alive': Ultra-Rare Egg-Laying Mammal Resurfaces in Remote Indonesian Rainforest Against All Odds Genetic Insights and Population Dynamics The study of A. gigantea has provided fascinating insights into the genetic makeup and population dynamics of this elusive crustacean. By sequencing the genomes of collected specimens, researchers have discovered genetic similarities among populations found in geographically distinct areas. This suggests a level of connectivity between these populations that was previously unrecognized. This genetic evidence supports the idea that A. gigantea is not confined to isolated pockets but is instead widely distributed across the ocean floor. The lack of pigmentation observed in A. gigantea, unusual for amphipods typically colored in the red spectrum, might be indicative of an absence of major predators, allowing for a broader distribution. As exploration of the deep sea continues, genetic studies will play a crucial role in unraveling the mysteries of A. gigantea and other deep-sea species. 'Thousands of Giant Eggs Found': Underwater Volcano Unleashes Terrifying Discovery That Has Marine Scientists in Total Shock The Future of Deep-Sea Research The discovery that A. gigantea might inhabit a significant portion of the ocean floor underscores the importance of continued deep-sea research. As technological advancements facilitate deeper exploration, we gain a more comprehensive understanding of the ocean's biodiversity. This knowledge is crucial, not only for scientific curiosity but also for conservation efforts aimed at preserving these unique ecosystems. Researchers like Paige Maroni emphasize the growing body of evidence suggesting that the ocean's largest deep-sea crustaceans are far from rare. The increasing accessibility of deep-sea exploration methods promises to yield further discoveries, shedding light on the unknown worlds that lie beneath the waves. As we probe deeper into these uncharted territories, the question remains: What other hidden marvels await discovery in the ocean's depths? Our author used artificial intelligence to enhance this article. Did you like it? 4.5/5 (20)
Yahoo
04-07-2025
- Yahoo
Endangered ocean species surprises locals with unexpected beach appearances: 'Not only rare but also potentially troubling'
Manta rays are surprising locals and tourists as they show up on the Mediterranean coast of Spain. According to Focus on Travel News, these endangered species are migratory and spend their spring and summer in the Mediterranean Sea as well as in the deep ocean. Recently, they have been appearing near the shoreline. "Their presence near the shore is not only rare but also potentially troubling," per Focus on Travel News. While a few sightings are common, this spring has seen more than 20 reported, which is far more than typical. Marine biologists view warming ocean temperatures and noise pollution underwater caused by marine traffic as potential factors contributing to the change in rays' behavior. Marine life changing its habits is a growing trend in Spain. Warming temperatures are already altering the plankton cycle, but they are also disrupting fish migration. Additionally, some regions have seen an overpopulation of jellyfish. Manta rays rely "on stable plankton ecosystems. If warming seas continue to disrupt plankton cycles, they could have cascading effects not only on the rays, but also on the broader food chain that supports Mediterranean marine biodiversity," said Focus on Travel News. Sardines in the Mediterranean are also being affected by the changing cycles of plankton. There isn't enough plankton for them, so they are filter feeding like the manta rays, which means filtering in nutrients from the water as well as the food. Unfortunately, this feeding method is causing them to take in more plastic. According to Worldwide Boat, temperatures are rising in the Mediterranean region faster than anywhere else in the world, causing a "threat to both food and water supplies." Many marine life species are endangered in the Mediterranean — one in 10. An estimated 30% of their habitats are also under threat. In addition, water scarcity is causing crop yields to drop and food prices to rise. Should the U.S. invest in building more wildlife overpasses? Absolutely Depends on how we do it Depends on where we do it Nope Click your choice to see results and speak your mind. Scientists are collecting temperature samples, examining behavioral changes, and tracking the movements of rays to gain a better understanding of what is happening. Focus on Travel News wrote: "The increased sightings serve as a reminder that the health of the sea is closely tied to visible changes on our beaches — and perhaps a call to action for both travelers and local communities to engage in ocean conservation efforts." There are many ways that you can help, including taking local action or donating to climate causes that are doing this type of work. Join our free newsletter for good news and useful tips, and don't miss this cool list of easy ways to help yourself while helping the planet.
Sustainability Times
24-06-2025
- Science
- Sustainability Times
'We Found Alien-Like Creatures Feeding on Methane': Sea Spiders Survive on Microbes in One of Earth's Strangest Ecosystems
IN A NUTSHELL 🕷️ Scientists discovered three new species of sea spiders that graze on methane-eating microbes in the ocean depths. that graze on in the ocean depths. 🌊 These spiders thrive through a unique symbiotic relationship , where microbes convert methane into nutrients directly on their exoskeletons. , where microbes convert methane into nutrients directly on their exoskeletons. 🦠 The findings highlight the deep ocean's role in the carbon cycle and its potential in mitigating climate change . and its potential in mitigating . 🔬 The discovery opens doors for using these microbes in environmental remediation, offering new solutions to ecological challenges. In the mysterious depths of the ocean, where sunlight never reaches, a groundbreaking discovery has emerged that challenges our understanding of marine life. Scientists have uncovered three new species of sea spiders that survive not by preying on others but through a unique form of symbiosis. These tiny creatures, residing in the methane-rich environments off the U.S. West Coast, rely on methane-eating microbes for sustenance. This discovery not only provides insights into the adaptability of life in extreme conditions but also highlights the interconnectedness of Earth's ecosystems. The Unusual Diet of Sea Spiders Unlike traditional spiders, which capture and consume prey, the newly discovered sea spiders of the Sericosura genus have adopted a remarkable strategy for survival. Instead of hunting, these spiders graze on bacteria that thrive on their exoskeletons. These bacteria harness the energy from methane seeping through the ocean floor, converting it into sugars and fats that nourish their arachnid hosts. This symbiotic relationship is a novel adaptation that allows the spiders to thrive in an environment devoid of sunlight and typical food sources. The process is akin to having a self-sustaining farm right on their bodies. As Shana Goffredi from Occidental College explains, the sea spiders consume these bacteria much like humans would eat breakfast, by simply grazing the surface of their own bodies. This unique feeding strategy highlights the complex and innovative ways life can adapt to extreme conditions. Moreover, it underscores the importance of methane-fueled ecosystems in maintaining the delicate balance of our planet's carbon cycle. 'This Species Was Gone for 120 Years': Stunning Rediscovery in South America Stuns Scientists and Ignites Conservation Hopes The Role of Methane in the Ocean's Depths Methane, often considered a menace to Earth's climate, plays a crucial role in supporting life in the ocean's dark recesses. In the absence of sunlight, life forms in these regions rely on chemosynthesis, a process driven by chemicals like methane. As organic matter decomposes on the ocean floor, it releases methane, creating nutrient-rich zones that support diverse ecosystems. The newly discovered sea spiders are just one example of the incredible biodiversity that thrives in these methane seeps. Research indicates that the microbes inhabiting the sea spiders may help trap climate-warming methane before it escapes into the atmosphere. This discovery opens up possibilities for using these microbes in bioremediation efforts to clean contaminated water in other environments. By understanding how these organisms function in extreme conditions, scientists can explore new ways to mitigate the impact of greenhouse gases on our planet. '100 Men vs. 1 Gorilla': Science Settled This Ancient Debate, and the Real Winner Will Shock You to the Core The Intriguing Life Cycle of Sericosura Spiders The life cycle of the Sericosura sea spiders is as fascinating as their diet. These creatures are minuscule, measuring barely 0.4 inches in length, and their nearly transparent bodies limit their ability to roam. Despite their small size, they have developed a unique reproductive strategy. Females release hundreds of eggs from their kneecaps, which males gather and carry around in bundles wrapped around their legs. This peculiar behavior ensures the continuation of their species in an environment where survival is a constant challenge. Once the eggs hatch, the young spiders inherit the symbiotic bacteria from their fathers, providing them with an immediate food source. This efficient method of food transfer ensures that the next generation is equipped to thrive in their methane-rich habitat. The localized populations of these spiders suggest a high degree of specialization, emphasizing the importance of preserving their unique ecosystems from human activities such as deep-sea mining. 'Predator Found at 26,000 Feet': Scientists Discover First-Ever Hunter Living in the Abyss of an 8,000-Meter Ocean Trench Implications for Our Understanding of Marine Ecosystems The discovery of these methane-grazing sea spiders underscores the complexity and diversity of life in the deep sea. Contrary to popular belief, the deep ocean is not a homogeneous environment but a vibrant tapestry of distinct ecosystems. Each region supports unique species that have adapted to their specific conditions. As Shana Goffredi notes, understanding these ecosystems is crucial for sustainable ocean use and conservation efforts. The insights gained from studying these spiders and their microbial partners could inform future efforts to harness similar organisms for environmental remediation. By exploring the hidden corners of our oceans, we can uncover solutions to some of the most pressing environmental challenges. These discoveries remind us of the intricate connections between all living organisms and the importance of preserving the natural world for future generations. As we continue to explore the depths of our oceans, what other remarkable adaptations and symbiotic relationships might we uncover that could help us address the environmental challenges facing our planet today? Our author used artificial intelligence to enhance this article. Did you like it? 4.6/5 (28)
Globe and Mail
03-06-2025
- Business
- Globe and Mail
Puerto Vallarta Shines as a Top Summer Destination for American Travelers
From sea turtle releases and jungle excursions to award-winning dining without the crowds, this is the season to experience Mexico's Pacific paradise for less NEW YORK, June 03, 2025 (GLOBE NEWSWIRE) -- As American travelers plan their summer getaways, Puerto Vallarta continues to secure its status as a must-visit international hotspot. According to the latest Allianz Partners USA report, nearly a third, or 29%, of U.S. flights are bound for international locales this summer, with Mexico claiming three of the top 10 destinations. Among these, Puerto Vallarta stands out for its seamless blend of natural beauty, cultural richness and abundance of outdoor adventures. This vibrant city, tucked between the Sierra Madre Mountains and Banderas Bay on Mexico's Pacific coast, is a premier beach vacation destination supported by 27 direct air routes from the U.S. Summer visitors are rewarded with lush green landscapes, fewer crowds and valuable savings on both accommodations and activities, making it a perfect time to experience the city's signature mix of adventure, relaxation and charm. WHAT TO DO Sea Turtle Releases: From July through December, the city's beaches become the setting for one of nature's most moving events: the release of sea turtle hatchlings. Guided by marine biologists and conservation experts, these sunset events invite visitors to witness hatchlings make their way to the ocean, while learning about the species' biology and the importance of protecting their fragile ecosystems. Guests can take part in releases at participating hotels including Marriott Puerto Vallarta Resort & Spa and Hyatt Ziva Puerto Vallarta, both recognized for their longstanding conservation efforts. Boca de Tomates Turtle Camp offers a hands-on experience that includes adopting nests and assisting with releases, while tour operators such as Wildlife Connection and Ecotours Vallarta lead small-group excursions that help fund critical preservation work. Explore Lush Landscapes: Summer rains transform Puerto Vallarta into a lush, green escape, creating perfect conditions for outdoor exploration. Canopy River leads adrenaline-filled adventures through the Sierra Madre Mountains, including ziplining, ATV rides and suspension bridge treks. For a quieter experience, scenic hikes like the coastal trail from Las Ánimas to Quimixto offer sweeping ocean views and the chance to spot local wildlife. South of the city, the Vallarta Botanical Gardens span 46 acres of native flora, riverside swimming spots and peaceful walking paths, making it a favorite for nature lovers. Dining Without the Crowds: With fewer travelers in town, summer is the ideal time to explore the city's celebrated culinary scene. Acclaimed restaurants such as ICÚ, known for contemporary tasting menus that reimagine traditional Mexican dishes with regional influences; Tintoque, a chic destination for modern Mexican cuisine; and MAKAL, in the heart of the Romantic Zone and praised for its creative, ingredient-driven approach, serve innovative dishes in refined yet relaxed settings. The quieter pace allows guests to savor world-class cuisine without the usual wait. WHERE TO STAY As Puerto Vallarta enters its low season, travelers can take advantage of summer deals on accommodations across the city. For Families: Velas Vallarta This beachfront all-inclusive resort in the heart of Marina Vallarta offers serene views of the Sierra Madre Mountains and is a favorite for multigenerational vacations. Families enjoy spacious suites, three pools, a kids' club and daily entertainment. The Summer Presale 2025 package, available to book through June 3 for travel from June 1 to August 31, includes complimentary stays for children ages 4 to 12, 50% off for teens, a suite upgrade, $300 in resort credit, discounts on golf, early check-in or late check-out and the signature Kawitu Experience. For Couples: Villa Premiere Boutique Hotel & Romantic Getaway An adults-only property in the heart of Puerto Vallarta, just steps from the iconic Malecon esplanade, Villa Premiere blends oceanfront luxury with personalized service. As part of the Flowers & Sea special, guests receive 20% off bookings made through June 20, valid for travel through January 3, 2026. The experience includes butler service, rejuvenating spa treatments, themed dinners with live entertainment on select nights and a serene beachfront setting designed for a stylish and relaxing escape. For LGBTQ+ Travelers: ALMAR Resort Located in the heart of the Romantic Zone (often referred to as the 'Gayborhood'), ALMAR Resort is the city's only luxury LGBTQ+ beachfront property, known for its Oceanview suites, lively pool scene and inclusive atmosphere. From July 25 to 28, it will host the inaugural POSH PVR Escape, a three-day celebration of music, themed parties and curated experiences. POSH is internationally known for its high-energy events at Art Basel, Fashion Weeks in New York and Paris, and Pride celebrations in Los Angeles, Atlanta and New York. For Luxury Seekers: Casa Kimberly Once the former residence of Elizabeth Taylor, this intimate nine-suite boutique hotel captures the charm of old Hollywood glamour paired with modern indulgence. The Hot Nights, Cool Savings promotion adds value to luxury stays from July 1 through October 31, with a third night free when booking two. The package also includes a deluxe continental breakfast delivered each morning and welcome margaritas upon arrival. About Puerto Vallarta Nestled between the rugged Sierra Madre Mountains and Banderas Bay on Mexico's balmy Pacific coast, Puerto Vallarta is the quintessential Mexican beach destination. Puerto Vallarta's year-round warm climate, easy direct access from major markets in the United States and Canada, and a range of accommodation options have made it a top choice for a stress-free tropical escape. Authentic culture can be discovered around every corner in Puerto Vallarta, from the charming cobblestone streets downtown to the art-filled Malecon, and the lively Romantic Zone – a favorite enclave amongst LGBTQ+ travelers. Puerto Vallarta's picturesque beaches and aquatic activities lure travelers, and its welcoming hospitality, top-notch gastronomy, and outdoor adventures keep them coming back time and time again.
CNN
29-05-2025
- General
- CNN
Elephant seal in Cape Town finds its way into suburbia, stops traffic
A Southern elephant seal makes a surprise visit to the residential neighborhood of Gordon's Bay in Cape Town, South Africa, and triggers an almost nine-hour rescue effort to return him to the coast.
